FR702225A - Expansion switch - Google Patents

Expansion switch

Info

Publication number
FR702225A
FR702225A FR702225DA FR702225A FR 702225 A FR702225 A FR 702225A FR 702225D A FR702225D A FR 702225DA FR 702225 A FR702225 A FR 702225A
Authority
FR
France
Prior art keywords
expansion switch
expansion
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Application granted granted Critical
Publication of FR702225A publication Critical patent/FR702225A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02—Details
    • H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
    • H01H33/16—Impedances connected with contacts
    • H01H33/161—Variable impedances
    • H01H33/162—Liquid resistors
FR702225D 1929-11-22 1930-09-05 Expansion switch Expired FR702225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE356468X 1929-11-22

Publications (1)

Publication Number Publication Date
FR702225A true FR702225A (en) 1931-04-02

Family

ID=6290283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR702225D Expired FR702225A (en) 1929-11-22 1930-09-05 Expansion switch

Country Status (4)

Country Link
BE (1) BE373239A (en)
FR (1) FR702225A (en)
GB (1) GB356468A (en)
NL (1) NL32441C (en)

Also Published As

Publication number Publication date
BE373239A (en)
NL32441C (en)
GB356468A (en) 1931-09-10

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